On Thu, 2017-06-08 at 20:38 +0200, Borislav Petkov wrote:
> On Fri, May 05, 2017 at 11:17:19AM -0700, Ricardo Neri wrote:
> > The feature User-Mode Instruction Prevention present in recent Intel
> > processor prevents a group of instructions from being executed with
> > CPL > 0. Otherwise, a
On Fri, May 05, 2017 at 11:17:19AM -0700, Ricardo Neri wrote:
> The feature User-Mode Instruction Prevention present in recent Intel
> processor prevents a group of instructions from being executed with
> CPL > 0. Otherwise, a general protection fault is issued.
This is one of the best opening
The feature User-Mode Instruction Prevention present in recent Intel
processor prevents a group of instructions from being executed with
CPL > 0. Otherwise, a general protection fault is issued.
Rather than relaying this fault to the user space (in the form of a SIGSEGV
signal), the instructions
